Patents by Inventor Ryou Ikegami

Ryou Ikegami has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Supercharger for internal combustion engine
    Patent number: 6938420
    Abstract: A first compressor (1a) which supercharges intake air is provided in the intake passage (6, 20, 21) of an internal combustion engine (12). The first compressor (1a) is driven by the exhaust gas energy of the engine (12). A second compressor (2a) driven by an electric motor (2b), and a bypass valve (3) which bypasses the second compressor (2a), are provided in the intake passage (7, 20, 21) between the first compressor (1a) and the engine (12). The bypass valve (3) shifts from the open state to the closed state according to the operation of the second compressor (2a). At this time, the bypass valve (3) starts closing at some time after startup of the second compressor (2a) so that the intake air amount of the engine (12) is not deficient.
    Type: Grant
    Filed: July 22, 2003
    Date of Patent: September 6, 2005
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Katsuhiko Kawamura, Kenichi Fujimura, Ryou Ikegami, Susumu Kubo, Hideharu Kadooka, Naoki Mishima, Motoyuki Hattori, Satoshi Shimada
  • Supercharger for internal combustion engine
    Publication number: 20040194466
    Abstract: A first compressor (1a) which supercharges intake air is provided in the intake passage (6, 20, 21) of an internal combustion engine (12). The first compressor (1a) is driven by the exhaust gas energy of the engine (12). A second compressor (2a) driven by an electric motor (2b), and a bypass valve (3) which bypasses the second compressor (2a), are provided in the intake passage (7, 20, 21) between the first compressor (1a) and the engine (12). The bypass valve (3) shifts from the open state to the closed state according to the operation of the second compressor (2a). At this time, the bypass valve (3) starts closing at some time after startup of the second compressor (2a) so that the intake air amount of the engine (12) is not deficient.
    Type: Application
    Filed: July 22, 2003
    Publication date: October 7, 2004
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Katsuhiko Kawamura, Kenichi Fujimura, Ryou Ikegami, Susumu Kubo, Hideharu Kadooka, Naoki Mishima, Motoyuki Hattori